This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Science Chapter 13 Why Do We Fall Ill – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Penicillin cannot be used to treat viral diseases because A) Viruses have no cell wall. B) Viruses cannot multiply. C) Viruses are much smaller in size than bacteria. D) The genetic material of viruses changes rapidly. Show Answer Correct Answer: A) Viruses have no cell wall. 2. Vectors can be defined as A) Animals carrying the infecting agents from sick person to another healthy person. B) Microorganisms which cause many diseases. C) Infected person. D) Diseased plants. Show Answer Correct Answer: A) Animals carrying the infecting agents from sick person to another healthy person. 3. AIDS IS A COMMUNICABLE BY A) BLOOD CONTACT. B) SEXUAL CONTACT. C) SLAIVARY CONTACT. D) ALL. Show Answer Correct Answer: D) ALL. 4. Mosquitoes, Dogs, and Fleas are examples of ..... A) Scalars. B) Vectors. C) Animals. D) None of the above. Show Answer Correct Answer: B) Vectors. 5. What is the full form of BCG vaccine A) Bacillus Cholera Germ. B) Bacillus Calmette Guerin. C) Bacillus Calmela Gauron. D) Bacillus Chalmra Guerin. Show Answer Correct Answer: B) Bacillus Calmette Guerin. 6. The disease caused due to worm is A) Sleeping sickness. B) Filariasis. C) Rabies. D) None of the above. Show Answer Correct Answer: B) Filariasis. 7. Microbes that enter the body through vectors most likely affects A) Brain. B) Liver. C) Heart. D) Lungs. Show Answer Correct Answer: A) Brain. 8. What does being Healthy Means? A) Being a Disease free Person. B) Having a Balanced Diet. C) Being Socially, Mentally and Physically well. D) Being Rich. Show Answer Correct Answer: C) Being Socially, Mentally and Physically well. 9. Which one of the following has along term effect on the health of an individual? A) Common cold. B) Chicken pox. C) Chewing tobacco. D) Stress. Show Answer Correct Answer: C) Chewing tobacco. 10. Liver is damaged by the ..... i ..... in the disease ..... ii ..... A) I-bacteria, ii-pneumonia. B) I-bacteria, ii-jaundice. C) I-Virus, ii-Pneumonia. D) I-Virus, ii-jaundice. Show Answer Correct Answer: D) I-Virus, ii-jaundice. 11. If brain is targetted, what are the symptoms? A) Fits. B) Vomiting. C) Headache. D) All the above. Show Answer Correct Answer: D) All the above. 12. Assertion:Antibiotic is given to treat orprevent the bacterial infection.Reason:Antibiotic stops the growth ofbacteria. A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. C) If Assertion is true but Reason is false. D) If both Assertion and Reason are false. Show Answer Correct Answer: A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. 13. Identify a protozoan disease- A) Ringworm. B) Measles. C) Diphtheria. D) Amoebiasis. Show Answer Correct Answer: D) Amoebiasis. 14. Which of the following disease do not spread through air? A) Pneumonia. B) Cold and cough. C) Tuberculosis. D) Typhoid. Show Answer Correct Answer: D) Typhoid. 15. Which one of the following disease is not transmitted by mosquito? A) Brain fever. B) Malaria. C) Typhoid. D) Dengue. Show Answer Correct Answer: C) Typhoid. 16. Viruses, which cause hepatitis, are transmitted through A) Air. B) Water. C) Sexual contact. D) Vector. Show Answer Correct Answer: B) Water. 17. The chemical that kill or stop the growing of certain kind of microbes are called- A) Vaccines. B) Microbes. C) Antibiotics. D) Fungi. Show Answer Correct Answer: C) Antibiotics. 18. Which among the following is not true for Communicable disease A) Attack of pathogens. B) Caused by extrinsic or external factors. C) Occur through direct contact. D) Diabetes is an example of infectious. Show Answer Correct Answer: D) Diabetes is an example of infectious. 19. True or false:A disease-free person will always be healthy. A) True. B) FalseTagsHealthy and Disease-free. C) All the above. D) None of the above. Show Answer Correct Answer: B) FalseTagsHealthy and Disease-free. 20. The vector for Yellow fever is: A) Mosquito. B) Flea. C) Housefly. D) Rat. Show Answer Correct Answer: A) Mosquito. 21. THE DISEASES WHICH CAN SPREAD IS CALLED A) COMMUNICABLE OR NON INFECTIOUS. B) NON COMMUNICABLE OR INFECTIOUS. C) COMMUNICABLE OR INFECTIOUS. D) NON COMUNICABLE OR NON INFECTIOUS. Show Answer Correct Answer: C) COMMUNICABLE OR INFECTIOUS. 22. Antibiotics works against A) Virus. B) Bacteria. C) Algae. D) Fungi. Show Answer Correct Answer: B) Bacteria. 23. Difference between 'healthy' and disease free is? A) There's no difference. B) Disease free means being physically fit whereas healthy corresponds with being emotionally as well as physically fit. C) They are antonyms. D) None of the above. Show Answer Correct Answer: B) Disease free means being physically fit whereas healthy corresponds with being emotionally as well as physically fit. 24. Peptic ulcers are due to ..... A) Bacteria. B) Protozoa. C) Fungi. D) Virus. Show Answer Correct Answer: A) Bacteria. 25. Droplet infection is a mode of? A) Direct transmission. B) Indirect transmission. C) Pathogen spread through mosquitoes. D) Termite transmission. Show Answer Correct Answer: B) Indirect transmission. ← PreviousNext →Related QuizzesClass 9 Science Chapter 13 Why Do We Fall Ill Quiz 1Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 2Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 3Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 4Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 5Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 6Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 8Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 9Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 10Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books